406th Avenue in Richland Township, Beadle County, South Dakota

406th Avenue in Beadle County is a gravel unclassified road. It runs in a north-south direction and crosses 197th Street, 199th Street, 202nd Street, 203rd Street, 204th Street, 205th Street, 206th Street, 209th Street, 212th Street, 214th Street and 215th Street. It ends in a cul-de-sac and connects Pearl Creek Township, Valley Township, Iowa Township and Richland Township. 406th Avenue also exists in Milford Township.